APA Citation

Kroon-Hoogewerff, B. (1939). Probleem. Batavia: G. Kolff & Co.

Chicago Style Citation

Kroon-Hoogewerff, B. Probleem. Batavia: G. Kolff & Co, 1939.

MLA Citation

Kroon-Hoogewerff, B. Probleem. Batavia: G. Kolff & Co, 1939.

Warning: These citations may not always be 100% accurate.